A new Kadina post office was opened on 24 February 1975.
1977
The Kadina Philatelic Sales Centre officially opened on 31 August 1977.
1978
1979
A pictorial first day of issue postmarker was introduced at the Kadina Philatelic Sales Centre on 1 May 1979 and then the rest of the post office on 16 May 1979.
